Home / 145,986.48-201,516.12-95,688.72

Finding the Fourth Proportional to 145,986.48, 201,516.12 and 95,688.72

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Solution

The fourth proportional to 145,986.48, 201,516.12 and 95,688.72 is: 132,086.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,986.48 : 201,516.12 = 95,688.72 : x
  2. Step 2: Convert to fraction form
    145,986.48/201,516.12 = 95,688.72/x
  3. Step 3: Cross multiply
    145,986.48x = 201,516.12 × 95,688.72
  4. Step 4: Simplify right side
    145,986.48x = 19,282,819,582.17
  5. Step 5: Solve for x
    x = 19,282,819,582.17/145,986.48
  6. Step 6: Final answer
    x = 132,086.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.